Sasa Hirszon has found clay courts difficult, recording 4–17 across 21 matches (19.0%). The numbers point to a surface that has not consistently suited the game — a key area of opportunity on the calendar. Sasa Hirszon has reached 1 final without yet claiming a title on clay — one of the finest margins in tennis.

One final reached on clay, without converting it into a title. That final-round experience is valuable groundwork for going one step further next time.

By format on clay — best-of-five: 1–4 (20.0%); best-of-three: 3–13 (18.8%). Consistent regardless of format on clay — a sign of a well-rounded game that holds up as matches develop.

Best season: 1995 — 1–5 (16.7%) from 6 matches. The best single-season display to date — a useful reference point as the clay record continues to develop.